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Find the probability of rolling a six first and a two second when rolling a fair six-sided die.
a. 1/6
b. 1/36
c. 1/12
d. 1/3
calcium is essential to tree growth because it promotes the formation of wood and maintains cell walls. in 1990 the
Ask 20 men thier weight and use excel to calculate the mean. test the hypothesis that the mean is not 172 pounds at the .10 significance level.
An automotive repair shop has determined that the average service time on an automobile is 2 hours with a standard deviation of 32 minutes. A random sample of 64 services is selected. Assume the population consists of 400 services. Determine the st..
A manufacturer claims that the mean lifetime, , of its light bulbs is 49 months. The standard deviation of these lifetimes is 9 months. Seventy bulbs are selected at random, and their mean lifetime is found to be 46 months.
Perform an appropriate hypothesis test, showing the necessary calculations and/or explaining the process used to obtain the results.
find the P-value associated with each of the given below values of the test statistic. (Give the answers to four decimal places.) (a) z = 1.20
The four characters required for the passcode, the first must be a number,the 2nd and 3rd must be a number. how many different passcodes can you form?
for the chi-square test for goodness of fit what is the value of df for a test with four categories and a sample of n
What is an estimate of the proportion defective for the piston manufacturing process when it is control? Construct a p chart for the manufacturing process, assuming each sample has 200 pistons.
Using the probability distribution table, what is the value of P(X = 2 or X = 0)?
Choose any medical scientific study who applied a Bayer Theorem and write down the article information (title, author, location, and date) of the article
The only possible, mutually exclusive outcomes of the surgery are death, relief of symptoms, (angina, dyspnea), or continuation of symptoms. The probability of death is 0.02 and the relief of symptoms is 0.80. What is the probability that the pati..
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